Maybe you could have placed a light off the center somewhere and formed some interesting highlights on the metal container? There is too little light / exposure.
Your idea is good. The choice of a ringed glass adds interest. Anything white can be difficult to photograph since the meter in your camera will be fooled into trying to make it grey as it has here (18% grey). Adding between 1.5 and 2 stops of exposure would have helped here.
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